Re: [PATCH] x86,pci: dmi check for mackpro 2.2 mmconf

From: Jack Howarth
Date: Sat Jul 19 2008 - 15:14:51 EST


On Sat, Jul 19, 2008 at 12:04:48PM -0700, Jesse Barnes wrote:
> On Saturday, July 19, 2008 11:40 am Jack Howarth wrote:
> > Jesse,
> > It seems that MacBook Pro users aren't the only ones suffering from
> > PCIE_ASPM...
> >
> > http://groups.google.com/group/linux.kernel/browse_thread/thread/cc1b8b3ef6
> >4e3257/dd4e427510bde7f0?lnk=raot
> >
> > I also discovered the pcie_noaspm kernel option from that thread which
> > allows me to boot the kernels built with PCIE_ASPM support by disabling
> > that feature.
>
> Yeah, that's a good data point. Thanks. Sounds like there may also be some
> ACPI interaction going on...
>
> Jesse

Jesse,
For what its worth, acpi=off alone is insufficent to inhibit the
kernel freezes when PCIE aspm is in use.
Jack
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